Footstool cushion



FIG. 1 is a perspective view of a footstool cushion showing my new design;

FIG. 2 is a side view of the footstool cushion;

FIG. 3 is a front view of the footstool cushion;

FIG. 4 is a back view of the footstool cushion; and,

FIG. 5 is a bottom view of the footstool cushion. 

The ornamental design for a footstool cushion, as shown and described. 